#include<iostream>
#include<windows.h>
#include<conio.h>
#include<time.h>
#include<string>
using namespace std;
 
/*=============== all the structures ===============*/
 
typedef struct Frame
{
	COORD position[2];
	int flag;
}Frame;
 
 
/*=============== all the functions ===============*/
 
void SetPos(COORD a)// set cursor 
{
	HANDLE out=GetStdHandle(STD_OUTPUT_HANDLE);
	SetConsoleCursorPosition(out, a);
}
 
void SetPos(int i, int j)// set cursor
{
	COORD pos={i, j};
	SetPos(pos);
}
 
void HideCursor()
{
	CONSOLE_CURSOR_INFO cursor_info = {1, 0}; 
	SetConsoleCursorInfo(GetStdHandle(STD_OUTPUT_HANDLE), &cursor_info);
}
 
//把第y行，[x1, x2) 之间的坐标填充为 ch
void drawRow(int y, int x1, int x2, char ch)
{
	SetPos(x1,y);
	for(int i = 0; i <= (x2-x1); i++)
		cout<<ch;
}
 
//在a, b 纵坐标相同的前提下，把坐标 [a, b] 之间填充为 ch
void drawRow(COORD a, COORD b, char ch)
{
	if(a.Y == b.Y)
		drawRow(a.Y, a.X, b.X, ch);
	else
	{
		SetPos(0, 25);
		cout<<"error code 01：无法填充行，因为两个坐标的纵坐标(x)不相等";
		system("pause");
	}
}
 
//把第x列，[y1, y2] 之间的坐标填充为 ch
void drawCol(int x, int y1, int y2, char ch)
{
	int y=y1;
	while(y!=y2+1)
	{
		SetPos(x, y);
		cout<<ch;
		y++;
	}
}
 
//在a, b 横坐标相同的前提下，把坐标 [a, b] 之间填充为 ch
void drawCol(COORD a, COORD b, char ch)
{
	if(a.X == b.X)
		drawCol(a.X, a.Y, b.Y, ch);
	else
	{
		SetPos(0, 25);
		cout<<"error code 02：无法填充列，因为两个坐标的横坐标(y)不相等";
		system("pause");
	}
}
 
//左上角坐标、右下角坐标、用row填充行、用col填充列
void drawFrame(COORD a, COORD  b, char row, char col)
{
	drawRow(a.Y, a.X+1, b.X-1, row);
	drawRow(b.Y, a.X+1, b.X-1, row);
	drawCol(a.X, a.Y+1, b.Y-1, col);
	drawCol(b.X, a.Y+1, b.Y-1, col);
}
 
void drawFrame(int x1, int y1, int x2, int y2, char row, char col)
{
	COORD a={x1, y1};
	COORD b={x2, y2};
	drawFrame(a, b, row, col);
}
 
void drawFrame(Frame frame, char row, char col)
{
	COORD a = frame.position[0];
	COORD b = frame.position[1];
	drawFrame(a, b, row, col);
}
 
void drawPlaying()
{
	drawFrame(0, 0, 48, 24, '=', '|');//	draw map frame;
	drawFrame(49, 0, 79, 4, '-', '|');//		draw output frame
	drawFrame(49, 4, 79, 9, '-', '|');//		draw score frame
	drawFrame(49, 9, 79, 20, '-', '|');//	draw operate frame
	drawFrame(49, 20, 79, 24, '-', '|');//	draw other message frame
	SetPos(52, 6);
	cout<<"得分：";
	SetPos(52, 7);
	cout<<"称号：";
	SetPos(52,10);
	cout<<"操作方式：";
	SetPos(52,12);
	cout<<"  a,s,d,w 控制战机移动。";
	SetPos(52,14);
	cout<<"  p 暂停游戏。";
	SetPos(52,16);
	cout<<"  e 退出游戏。";
}
 
//在[a, b)之间产生一个随机整数
int random(int a, int b)
{
	int c=(rand() % (a-b))+ a;
	return c;
}
 
//在两个坐标包括的矩形框内随机产生一个坐标
COORD random(COORD a, COORD b)
{
	int x=random(a.X, b.X);
	int y=random(a.Y, b.Y);
	COORD c={x, y};
	return c;
}
 
bool  judgeCoordInFrame(Frame frame, COORD spot)
{
	if(spot.X>=frame.position[0].X)
		if(spot.X<=frame.position[1].X)
			if(spot.Y>=frame.position[0].Y)
				if(spot.Y<=frame.position[0].Y)
					return true;
	return false;
}
 
void printCoord(COORD a)
{
	cout	<<"( "<<a.X<<" , "<<a.Y<<" )";
}
 
void printFrameCoord(Frame a)
{
	printCoord(a.position[0]);
	cout	<<" - ";
	printCoord(a.position[1]);
}
 
int drawMenu()
{
	SetPos(30, 1);
	cout<<"P l a n e  W a r";
	drawRow(3, 0, 79, '-');
	drawRow(5, 0, 79, '-');
	SetPos(28, 4);
	cout<<"w 和 s 选择， k 确定";
	SetPos(15, 11);
	cout<<"1. 简单的敌人";
	SetPos(15, 13);
	cout<<"2. 冷酷的敌人";
	drawRow(20, 0, 79, '-');
	drawRow(22, 0, 79, '-');
	SetPos(47, 11);
	cout<<"简单的敌人：";
	SetPos(51, 13);
	cout<<"简单敌人有着较慢的移动速度。";
	SetPos(24, 21);
	cout<<"制作：LJF神犇";
	int j=11;
	SetPos(12, j);
	cout<<">>";
 
	//drawFrame(45, 9, 79, 17, '=', '|');
 
	while(1)
	{	if( _kbhit() )
		{	
			char x=_getch();
			switch (x)
			{
			case 'w' :
					{	
						if( j == 13)
						{
							SetPos(12, j);
							cout<<"　";
							j = 11;
							SetPos(12, j);
							cout<<">>";
							SetPos(51, 13);
							cout<<"　　　　　　　　　　　　";
							SetPos(47, 11);
							cout<<"简单的敌人：";
							SetPos(51, 13);
							cout<<"简单敌人有着较慢的移动速度，比较容易对付";
						}
						break;
					}
			case 's' :
					{	
						if( j == 11 )
						{
							SetPos(12, j);
							cout<<"　";		
							j = 13;
							SetPos(12, j);
							cout<<">>";
							SetPos(51, 13);
							cout<<"　　　　　　　　　　　　　　";
							SetPos(47, 11);
							cout<<"冷酷的敌人：";
							SetPos(51, 13);
							cout<<"冷酷的敌人移动速度较快，难对付哟。";
						}
						break;
					}
			case 'k' :
					{	
						if (j == 8)	return 1;
						else return 2;
					}
			}
		}
	}
}
 
/* 
DWORD WINAPI MusicFun(LPVOID lpParamte)
{
	//DWORD OBJ;
	sndPlaySound(TEXT("bgm.wav"), SND_FILENAME|SND_ASYNC);
	return 0;
}
*/
 
 
/*================== the Game Class ==================*/
 
class Game
{
public:
	COORD position[10];
	COORD bullet[10];
	Frame enemy[8];
	int score;
	int rank;
	int rankf;
	string title;
	int flag_rank;
 
	Game ();
	
	//初始化所有
	void initPlane();
	void initBullet();
	void initEnemy();
 
	//初始化其中一个
	//void initThisBullet( COORD );
	//void initThisEnemy( Frame );
 
	void planeMove(char);
	void bulletMove();
	void enemyMove();
	
	//填充所有
	void drawPlane();
	void drawPlaneToNull();
	void drawBullet();
	void drawBulletToNull();
	void drawEnemy();
	void drawEnemyToNull();
 
	//填充其中一个
	void drawThisBulletToNull( COORD );
	void drawThisEnemyToNull( Frame );
 
	void Pause();
	void Playing();
	void judgePlane();
	void judgeEnemy();
 
	void Shoot();
 
	void GameOver();
	void printScore();
};
 
Game::Game()
{
	initPlane();
	initBullet();
	initEnemy();
	score = 0;
	rank = 25;
	rankf = 0;
	flag_rank = 0;
}
 
void Game::initPlane()
{
	COORD centren={39, 22};
	position[0].X=position[5].X=position[7].X=position[9].X=centren.X;
	position[1].X=centren.X-2;	
	position[2].X=position[6].X=centren.X-1;
	position[3].X=position[8].X=centren.X+1;
	position[4].X=centren.X+2;
	for(int i=0; i<=4; i++)
		position[i].Y=centren.Y;
	for(int i=6; i<=8; i++)
		position[i].Y=centren.Y+1;
	position[5].Y=centren.Y-1;
	position[9].Y=centren.Y-2;
}
 
void Game::drawPlane()
{
	for(int i=0; i<9; i++)
	{
		SetPos(position[i]);
		if(i!=5)
			cout<<"O";
		else if(i==5)
			cout<<"|";		
	}
}
 
void Game::drawPlaneToNull()
{
	for(int i=0; i<9; i++)
	{
		SetPos(position[i]);
		cout<<" ";
	}	
}
 
void Game::initBullet()
{
	for(int i=0; i<10; i++)
		bullet[i].Y = 30;
}
 
void Game::drawBullet()
{
	for(int i=0; i<10; i++)
	{
		if( bullet[i].Y != 30)
		{
			SetPos(bullet[i]);
			cout<<"^";	
		}
	}
}
 
void Game::drawBulletToNull()
{
	for(int i=0; i<10; i++)
		if( bullet[i].Y != 30 )
			{
				COORD pos={bullet[i].X, bullet[i].Y+1};
				SetPos(pos);
				cout<<" ";
			}	
}
 
void Game::initEnemy()
{
	COORD a={1, 1};
	COORD b={45, 15};
	for(int i=0; i<8; i++)
	{
		enemy[i].position[0] = random(a, b);
		enemy[i].position[1].X = enemy[i].position[0].X + 3;
		enemy[i].position[1].Y = enemy[i].position[0].Y + 2;
	}
}
 
void Game::drawEnemy()
{
	for(int i=0; i<8; i++)
		drawFrame(enemy[i].position[0], enemy[i].position[1], '-', '|');
}
 
void Game::drawEnemyToNull()
{
	for(int i=0; i<8; i++)
	{
		drawFrame(enemy[i].position[0], enemy[i].position[1], ' ', ' ');
	}		
}
 
void Game::Pause()
{
	SetPos(61,2);
	cout<<"               ";
	SetPos(61,2);
	cout<<"暂停中...";
	char c=_getch();
	while(c!='p')
		c=_getch();
	SetPos(61,2);
	cout<<"         ";
}
 
void Game::planeMove(char x)
{
	if(x == 'a')
		if(position[1].X != 1)
			for(int i=0; i<=9; i++)
				position[i].X -= 2;
				
	if(x == 's')
		if(position[7].Y != 23)
			for(int i=0; i<=9; i++)
				position[i].Y += 1;
 
	if(x == 'd')
		if(position[4].X != 47)
			for(int i=0; i<=9; i++)
				position[i].X += 2;
 
	if(x == 'w')
		if(position[5].Y != 3)
			for(int i=0; i<=9; i++)
				position[i].Y -= 1;
}
 
void Game::bulletMove()
{
	for(int i=0; i<10; i++)
	{
		if( bullet[i].Y != 30)
		{
			bullet[i].Y -= 1;
			if( bullet[i].Y == 1 )
			{
				COORD pos={bullet[i].X, bullet[i].Y+1};
				drawThisBulletToNull( pos );
				bullet[i].Y=30;
			}
				
		}
	}
}
 
void Game::enemyMove()
{
	for(int i=0; i<8; i++)
	{
		for(int j=0; j<2; j++)
			enemy[i].position[j].Y++;
 
		if(24 == enemy[i].position[1].Y)
		{
			COORD a={1, 1};
			COORD b={45, 3};
			enemy[i].position[0] = random(a, b);
			enemy[i].position[1].X = enemy[i].position[0].X + 3;
			enemy[i].position[1].Y = enemy[i].position[0].Y + 2;
		}
	}
}
 
void Game::judgePlane()
{
	for(int i = 0; i < 8; i++)
		for(int j=0; j<9; j++)
			if(judgeCoordInFrame(enemy[i], position[j]))
			{
				SetPos(62, 1);
				cout<<"坠毁";
				drawFrame(enemy[i], '+', '+');
				Sleep(1000);
				GameOver();
				break;
			}
}
 
void Game::drawThisBulletToNull( COORD c)
{
	SetPos(c);
	cout<<" ";
}
 
void Game::drawThisEnemyToNull( Frame f )
{
	drawFrame(f, ' ', ' ');
}
 
void Game::judgeEnemy()
{
	for(int i = 0; i < 8; i++)
		for(int j = 0; j < 10; j++)
			if( judgeCoordInFrame(enemy[i], bullet[j]) )
			{
				score += 5;
				drawThisEnemyToNull( enemy[i] );
				COORD a={1, 1};
				COORD b={45, 3};
				enemy[i].position[0] = random(a, b);
				enemy[i].position[1].X = enemy[i].position[0].X + 3;
				enemy[i].position[1].Y = enemy[i].position[0].Y + 2;					
				drawThisBulletToNull( bullet[j] );
				bullet[j].Y = 30;
			}
}
 
void Game::Shoot()
{
	for(int i=0; i<10; i++)
		if(bullet[i].Y == 30)
		{
			bullet[i].X = position[5].X;
			bullet[i].Y = position[5].Y-1;
			break;
		}
}
 
void Game::printScore()
{
	if(score == 120 && flag_rank == 0)
	{
		rank -= 3;
		flag_rank = 1;
	}
 
	else if( score == 360 && flag_rank == 1)
	{
		rank -= 5;
		flag_rank = 2;
	}
	else if( score == 480 && flag_rank == 2)
	{
		rank -= 5;
		flag_rank = 3;
	}
	int x=rank/5;
	SetPos(60, 6);
	cout<<score;
 
	if( rank!=rankf )
	{
		SetPos(60, 7);
		if( x == 5)
			title="初级飞行员";
		else if( x == 4)
			title="中级飞行员";
		else if( x == 3)
			title="高级飞行员";
		else if( x == 2 )
			title="王牌飞行员";
		cout<<title;
	}
	rankf = rank;
}
 
void Game::Playing()
{
	//HANDLE MFUN;
	//MFUN= CreateThread(NULL, 0, MusicFun, NULL, 0, NULL); 
 
	drawEnemy();
	drawPlane();
 
	int flag_bullet = 0;
	int flag_enemy = 0;
 
	while(1)
	{
		Sleep(8);
		if(_kbhit())
		{
			char x = _getch();
			if ('a' == x || 's' == x || 'd' == x || 'w' == x)
			{
				drawPlaneToNull();
				planeMove(x);
				drawPlane();
				judgePlane();
			}			
			else if ('p' == x)
				Pause();
			else if( 'k' == x)
				Shoot();
			else if( 'e' == x)
			{
				//CloseHandle(MFUN);
				GameOver();
				break;
			}
				
		}
		/* 处理子弹 */
		if( 0 == flag_bullet )
		{
			bulletMove();
			drawBulletToNull();
			drawBullet();
			judgeEnemy();
		}			
		flag_bullet++;
		if( 5 == flag_bullet )
			flag_bullet = 0;
 
		/* 处理敌人 */
		if( 0 == flag_enemy )
		{
			drawEnemyToNull();
			enemyMove();			
			drawEnemy();
			judgePlane();
		}
		flag_enemy++;
		if( flag_enemy >= rank )
			flag_enemy = 0;
 
		/* 输出得分 */
		printScore();
	}
}
 
void Game::GameOver()
{
	system("cls");				
	COORD p1={28,9};
	COORD p2={53,15};
	drawFrame(p1, p2, '=', '|');
	SetPos(36,12);
	string str="Game Over!";
	for(int i=0; i<str.size(); i++)
	{
		Sleep(80);
		cout<<str[i];
	}
	Sleep(1000);
	system("cls");
	drawFrame(p1, p2, '=', '|');
	SetPos(31, 11);
	cout<<"击落敌机："<<score/5<<" 架";
	SetPos(31, 12);
	cout<<"得　　分："<<score;
	SetPos(31, 13);
	cout<<"获得称号："<<title;
	SetPos(30, 16);
	Sleep(1000);
	cout<<"继续？ 是（y）| 否（n）制作：最牛的LJF";
as:
	char x=_getch();
	if (x == 'n')
		exit(0);
	else if (x == 'y')
	{
		system("cls");
		Game game;
		int a = drawMenu();
		if(a == 2)
			game.rank = 20;
		system("cls");
		drawPlaying();
		game.Playing();
	}
	else goto as;
}
 
/*================== the main function ==================*/
int main()
{
	//游戏准备
	srand((int)time(0));	//随机种子
	HideCursor();	//隐藏光标
	
	Game game;
	int a = drawMenu();
	if(a == 2)
		game.rank = 20;
	system("cls");
	drawPlaying();
	game.Playing();
}